Brash won the World Cup Grand Prix in Florida in March 2012 during the run up to the 2012 Summer Olympics, winning the prize fund of $60,000.

[6] He was named as part of Great Britain's show jumping team for the 2012 Olympics along with Nick Skelton, Ben Maher and Peter Charles.

[8] That year, Brash and Hello Sanctos won the team gold and individual bronze medal at the Herning European Show Jumping Championships.

In November 2013, on the day of his 28th birthday, Brash won the last event of the 2013 Global Champions Tour, the Doha Grand Prix, and secured himself the overall championship.

[citation needed] In May 2015, Brash and Hello Sanctos won the Rolex Grand Prix titles in Aachen, Germany, Geneva, Switzerland, Spruce Meadows, Calgary, Alberta, Canada, the sport's three most prestigious annual events.

[1][2] Scott Brash won three legs of the Longines Global Champions Tour in 2015, including Miami Beach and Cascais (Estoril) with Hello Sanctos, and Monaco with Hello M'Lady.

[citation needed] In 2017, Brash was disqualified from a Global Champions League event in Portugal after traces of blood were found on his horse Hello Forever.